USGS Surface Water for USA: Streamflow Measurements

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Streamflow Measurements for the Nation

USGS 01621410 BLACKS RUN AT RT 726 AT HARRISONBURG, VA

Harrisonburg City, Virginia

Hydrologic Unit Code 02070005

Latitude 38°25'19", Longitude 78°53'15" NAD27

Drainage area 10.9 square miles

Gage datum 1,255 feet above NAVD88

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Meas. Number	Date Time	Time Datum	Measurement Used?	Who	Measuring Agency	Stream flow (ft³/s)	Gage Height (ft)	GH Change (ft)	Meas. Duration (hr)	Meas. Rated	Control	Flow Adjust. Code
25	2002-09-05 07:50	EDT	Yes	SLW	USGS	1.02	2.37			Unspecified		NONE
24	2002-07-17 08:10	EDT	Yes	SLW	USGS	1.45	2.43	0.00	0.30	Fair		NONE
23	2002-05-29 07:42	EDT	Yes	SLW	USGS	3.54	2.50	-0.01	0.50	Fair	DebrisLight	NONE
22	2002-04-11 10:40	EDT	Yes	SLW	USGS	2.11	2.40	0.00	0.30	Fair		NONE
21	2002-02-27 11:43	EST	Yes	SLW	USGS	0.75	2.34	-0.01	0.30	Fair	Clear	NONE
20	2002-01-24 07:30	EST	Yes	SLW	USGS	1.55	2.37	0.00	0.30	Fair	DebrisModerate	NONE
19	2001-11-29 11:45	EST	Yes	SLW	USGS	0.92	2.36	0.00	0.20	Fair		NONE
18	2001-10-03 10:00	EDT	Yes	SLW	USGS	1.62	2.39	0.00	0.30	Fair		NONE
17	2001-08-15 11:00	EDT	Yes	SLW	USGS	4.43	2.47	-0.01	0.30	Fair	Clear	NONE
16	2001-07-03 09:50	EDT	Yes	SLW	USGS	1.53	2.37	0.00	0.30	Fair	Clear	NONE
15	2001-05-08 07:30	EDT	Yes	SLW	USGS	1.54	2.40	0.00	0.20	Fair	VegetationLight	NONE
14	2001-04-04 09:30	EDT	Yes	SLW	USGS	7.85	2.60	0.00	0.20	Poor	Clear	NONE
13	2001-04-04 08:28	EDT	Yes	SLW	USGS	9.13	2.60	0.00	0.30	Fair	Clear	NONE
12	2001-01-24 10:37	EST	Yes	SLW	USGS	3.66	3.04	0.00		Fair	Clear	NONE
11	2000-12-12 13:45	EST	Yes	SLW	USGS	0.67	2.43	0.00	0.30	Fair	DebrisModerate	NONE
10	2000-10-18 16:20	EDT	Yes	KMD	USGS	1.86	2.58	0.00	0.40	Fair	DebrisLight	NONE
9	2000-10-04 09:50	EDT	Yes	RRL	USGS	3.41	2.53	0.00	0.50	Good		NONE
8	2000-09-26 15:25	EDT	Yes	RRL	USGS	19.2	3.33	0.00	0.80	Good	DebrisLight	NONE
7	2000-09-21 09:00	EDT	Yes	SLW	USGS	6.42	2.63	-0.01	0.40	Good	DebrisLight	NONE
6	2000-09-19 14:50	EDT	Yes	SLW	USGS	48.2	3.77	-0.08	0.30	Fair		NONE
5	2000-09-19 13:15	EDT	Yes	SLW/RLY	USGS	82.1	4.10	-0.15	0.40	Fair		NONE
4	2000-09-19 10:13	EDT	Yes	SLW/RLY	USGS	538	6.70	-0.47	0.60	Fair		NONE
3	2000-08-15 14:55	EDT	Yes	DLM/TLB	USGS	1.92	2.48	0.00	1.00	Good	VegetationLight	NONE
2	1999-08-19 13:30	EDT	Yes	JMG	USGS	0.84	2.33	-0.04	0.50	Poor	DebrisModerate	NONE
1	1999-03-22 15:15	EST	Yes	JMG/DLM	USGS	13.7	3.29	0.00	0.60	Fair	DebrisModerate	NONE

Meas.
Number

Date Time

Time
Datum

Measurement
Used?

Who

Measuring
Agency

Stream
flow
(ft³/s)

Gage
Height
(ft)

GH
Change
(ft)

Meas.
Duration
(hr)

Meas.
Rated

Control

Flow
Adjust.
Code

2002-09-05 07:50

EDT

Yes

SLW

USGS

1.02

2.37

Unspecified

NONE

2002-07-17 08:10

EDT

Yes

SLW

USGS

1.45

2.43

0.00

0.30

Fair

NONE

2002-05-29 07:42

EDT

Yes

SLW

USGS

3.54

2.50

-0.01

0.50

Fair

DebrisLight

NONE

2002-04-11 10:40

EDT

Yes

SLW

USGS

2.11

2.40

0.00

0.30

Fair

NONE

2002-02-27 11:43

EST

Yes

SLW

USGS

0.75

2.34

-0.01

0.30

Fair

Clear

NONE

2002-01-24 07:30

EST

Yes

SLW

USGS

1.55

2.37

0.00

0.30

Fair

DebrisModerate

NONE

2001-11-29 11:45

EST

Yes

SLW

USGS

0.92

2.36

0.00

0.20

Fair

NONE

2001-10-03 10:00

EDT

Yes

SLW

USGS

1.62

2.39

0.00

0.30

Fair

NONE

2001-08-15 11:00

EDT

Yes

SLW

USGS

4.43

2.47

-0.01

0.30

Fair

Clear

NONE

2001-07-03 09:50

EDT

Yes

SLW

USGS

1.53

2.37

0.00

0.30

Fair

Clear

NONE

2001-05-08 07:30

EDT

Yes

SLW

USGS

1.54

2.40

0.00

0.20

Fair

VegetationLight

NONE

2001-04-04 09:30

EDT

Yes

SLW

USGS

7.85

2.60

0.00

0.20

Poor

Clear

NONE

2001-04-04 08:28

EDT

Yes

SLW

USGS

9.13

2.60

0.00

0.30

Fair

Clear

NONE

2001-01-24 10:37

EST

Yes

SLW

USGS

3.66

3.04

0.00

Fair

Clear

NONE

2000-12-12 13:45

EST

Yes

SLW

USGS

0.67

2.43

0.00

0.30

Fair

DebrisModerate

NONE

2000-10-18 16:20

EDT

Yes

KMD

USGS

1.86

2.58

0.00

0.40

Fair

DebrisLight

NONE

2000-10-04 09:50

EDT

Yes

RRL

USGS

3.41

2.53

0.00

0.50

Good

NONE

2000-09-26 15:25

EDT

Yes

RRL

USGS

19.2

3.33

0.00

0.80

Good

DebrisLight

NONE

2000-09-21 09:00

EDT

Yes

SLW

USGS

6.42

2.63

-0.01

0.40

Good

DebrisLight

NONE

2000-09-19 14:50

EDT

Yes

SLW

USGS

48.2

3.77

-0.08

0.30

Fair

NONE

2000-09-19 13:15

EDT

Yes

SLW/RLY

USGS

82.1

4.10

-0.15

0.40

Fair

NONE

2000-09-19 10:13

EDT

Yes

SLW/RLY

USGS

538

6.70

-0.47

0.60

Fair

NONE

2000-08-15 14:55

EDT

Yes

DLM/TLB

USGS

1.92

2.48

0.00

1.00

Good

VegetationLight

NONE

1999-08-19 13:30

EDT

Yes

JMG

USGS

0.84

2.33

-0.04

0.50

Poor

DebrisModerate

NONE

1999-03-22 15:15

EST

Yes

JMG/DLM

USGS

13.7

3.29

0.00

0.60

Fair

DebrisModerate

NONE